[Development] Flaky auto tests on macOS 10.12

[Tor Arne Vestbø]

On 20/06/2017 13:56, Morten Sørvig wrote:
>> Blacklist flaky tst_QGuiEventLoop::testQuitLock() on macOS 10.12
>> - https://bugreports.qt.io/browse/QTBUG-61499
>> - https://codereview.qt-project.org/#/c/197791/
> 
> Not reproducible.

I could repro this on 10.10-10.13 under load.

tor arne